<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区 -->
        <el-card>
            <!-- 搜索框和添加按钮 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList()'>
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage()">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 表格区 -->
            <el-table :data="goodsList" border stripe>
                <!-- 索引列 -->
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label='商品名称' prop="goods_name"></el-table-column>
                <el-table-column label='价格（元）' prop="goods_price" width="95px"></el-table-column>
                <el-table-column label='重量' prop="goods_weight" width="60px"></el-table-column>
                <el-table-column label='创建时间' prop="add_time" width="160px">
                    <template v-slot='slotProps'>
                        {{slotProps.row.add_time | dateFormat()}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="200px">
                    <template v-slot='slotProps'>
                        <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(slotProps.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区 -->
             <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    name:"List",
    data() {
        return {
            // 请求查询的参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品信息
            goodsList:[],
            // 总数，用于实现分页
            total:0
        }
    },
    methods: {
        // 根据分页获取对应的商品信息
        async getGoodsList(){
            const {data:result}=await this.$http.get('goods',{params:this.queryInfo})
            if(result.meta.status!==200){
                this.$message.error('获取商品信息失败')
            }else{
                this.goodsList=result.data.goods
                this.total=result.data.total
                this.$message.success('获取商品信息成功')
            }
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },
        // 删除商品
        async removeById(id){
            const confirmResult=await this.$confirm('此操作将删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if(confirmResult!=='confirm'){
                this.$message.info('已取消')
            }else{
                const {data:result}=await this.$http.delete(`goods/${id}`)
                if(result.meta.status!==200){
                    this.$message.error('删除失败')
                }else{
                    this.getGoodsList()
                    this.$message.success('删除成功')
                }
            }
        },
        goAddpage(){
            // 路由跳转
            this.$router.push('/goods/add')
        }
    },
    created(){
        this.getGoodsList()
    }
}
</script>

<style lang='less' scoped>

</style>